Urea - Nitrogen Source for Spirulina Cultures - 10 Pounds (NH2)2CO
Urea (NH2)2CO makes a great Nitrogen Source for spirulina cultures, and is the chemical equivalent of urine.
If you don’t want to use urine in your spirulina culture, be sure to add urea from time to time, but be careful with the amount, you only need to put a little bit at a time.
Urea is also used in many household products, gas supplement, and as a fertilizer for plants and trees.
This product is sold by Alpha Chemicals.